Question 1

In ____________________ some or all of the individuals of a critically endangered species are collected for breeding so their offspring can be introduced to the wild

Accepted Answer

The answer of In ____________________ some or all of the...

Question 2

Continuing decline of pollinator populations, such as honeybees, could cause a serious disruption of food production for humans.

Accepted Answer

Pollinators play a crucial role in the production of many important crops, such as fruits, vegetables, and nuts. Without pollinators, these crops would not produce the food that humans rely on. Therefore, a decline in pollinator populations could have a serious impact on food production for humans.

Question 3

The only major group of species that have escaped increasing extinction threat are the primates, where less than 10% are currently threatened with extinction.

Accepted Answer

This statement is false. According to the IUCN Red List, more than 60% of primate species are threatened with extinction.

Question 4

Efforts to control the Argentinean fire ant in the U.S. during the 1960s by spraying pesticides resulted in genetic resistance to pesticides in the fire ants.

Accepted Answer

Studies have shown that the use of pesticides to control fire ants in the U.S. during the 1960s led to the development of resistance to these pesticides in the ants, making control efforts more difficult.

Question 5

The ____________________ has the responsibility for identifying and listing endangered and threatened oceans species under the ESA of 1973.

Accepted Answer

The answer of The ____________________ has the responsibility for identifying...

Question 6

Burmese and African ____________________ along with several other similar species, have ended up in the Everglades in Florida, after being released by their owners because they did not make good pets.

Accepted Answer

The answer of Burmese and African ____________________ along with several...

Question 7

It is easier to remove an invasive species than it is to control its introduction.

Accepted Answer

Once an invasive species has been introduced to a new ecosystem, it can be difficult to control its spread and mitigate its impact on native species and the environment. Prevention and early detection are crucial in avoiding the introduction and establishment of invasive species.

Question 8

We should act to prevent premature extinction of species, in part because they contribute to ____________________, those services that support our economies.

Accepted Answer

The answer of We should act to prevent premature extinction...

Question 9

The species-area relationship suggests that, on average, a 90% loss of habitat causes the extinction of ____________________% of the species living in that habitat.

Accepted Answer

The answer of The species-area relationship suggests that, on average,...

Question 10

The ____________________ suggests we should take measures to prevent or reduce harm to the environment and human health even if some of the cause-and-effect relationships have not been fully established scientifically.

Accepted Answer

The answer of The ____________________ suggests we should take measures...

Question 11

The rate of species loss and the extent of biodiversity loss are likely to ____________________ during the next 50-100 years as a result of the growth of the world's ____________________ and resource use per person.

Accepted Answer

The answer of The rate of species loss and the...

Question 12

____________________ occurs when the population of a species becomes so low that the species can no longer perform a role in its ecosystem.

Accepted Answer

The answer of ____________________ occurs when the population of a...

Question 13

Organized crime has moved into illegal wildlife smuggling because of the huge profits involved.

Accepted Answer

Illegal wildlife smuggling generates billions of dollars annually and has become a lucrative market for organized crime groups, who are attracted to the high profits and low risks associated with the trade.

Question 14

A(n)____________________ species has so few individual survivors that the species could soon become extinct over all or most of its natural range.

Accepted Answer

The answer of A(n)____________________ species has so few individual survivors...

Question 15

During this century, with global climate change and other human activities, the current extinction rate could reach ____________________ times the background rate of extinction.

Accepted Answer

The answer of During this century, with global climate change...

Question 16

The U.S. ____________________ has the responsibility for identifying and listing endangered and threatened species other than ocean species.

Accepted Answer

The answer of The U.S. ____________________ has the responsibility for...

Question 17

When the loss or major decline of a keystone species leads to population declines and extinctions of other species with strong connections to the keystone species, ecologists say the process is called a _______________.

Accepted Answer

The answer of When the loss or major decline of...

Question 18

A new underground vault on a remote island in the Arctic is a type of _______________ intended to preserve genetic information and endangered plant species by storing their seeds in refrigerated, low-humidity environments.

Accepted Answer

The answer of A new underground vault on a remote...

Question 19

____________________ is the "extinction capital" of the United States.

Accepted Answer

The answer of ____________________ is the "extinction capital" of the...

Question 20

One reason why we should work to prevent human activities from causing the extinction of other species is that they are a vital part of the earth's ____________________ system.

Accepted Answer

The answer of One reason why we should work to...

Quiz 9: Sustaining Biodiversity: The Species Approach